Incandescent electric lamp



scribed. o

` of` an alloy'ol' silver, platinum, and nickel or connecting with and hermetcally sealing a 1.7111 the manufacture ofincandescenj; elec- I trical conductor having the same coefcent trie hampa l conductor composed of' auf alloy 'o expansionras glass, consisting of an alloy of of silver, platinum, and nickelfor electrically silver, platinum, and nickel or cobalt,v as de 1 scribed. f I Signed at l-Ioosick, in the county `of Rons- 'g selaer and State of New York, this 13th day of September, A. D. 1890.

TURNER nfBcnToMig.

filament in a glass bulb, substantialls' as de- 2. In the manufacture of incnndescenbeleetric lamps, an electrical conductor composed Witnesses:

` GnoI-I.MYERS,4 CHAs. H. AMOR.

cobalt in the proportions described.

3. In the manufacture of incandescent electric lamps, a-n infusible non-oxidizable @lee l 

